The Coupling Half,shaft, cataloged under National Stock Number 3010-01-100-5051, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Circor Pumps North America Llc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-100-5051 |
| Primary Part Number | SF-10411 PIECE 001 |
| Item Name | Coupling Half,shaft |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Circor Pumps North America Llc |
| Status | ACTIVE |
| Bore Length | 2.0320 INCHES NOMINAL IN |
| Body Style | MULTIPLE POSITIONING HOLES, RECESSED FACE |
| Features Provided | KEYWAY |
| Bore Shape | STRAIGHT |
| Bore Diameter | 2.1240 INCHES NOMINAL IN |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SF-10411 PIECE 001 PRIMARY | Circor Pumps North America Llc (USA) |
| LA-440DSX3 PRIMARY | Circor Pumps North America Llc (USA) |
| Reference | Meaning |
|---|---|
| LA-440DSX3-9204 | 5/9 Secondary reference Circor Pumps North America Llc |
| SF-10411 PIECE 001 | 5/9 Secondary reference Siemens Energy, Inc. |
| SF-10411 | 5/9 Secondary reference Siemens Energy, Inc. |
| SF-10411 | D/9 Drawing number reference only Circor Pumps North America Llc |
| LA-440DSX3-9204 | 5/9 Secondary reference Siemens Energy, Inc. |
NSN 3010-01-100-5051 is a Coupling Half,shaft, manufactured by Circor Pumps North America Llc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-100-5051 has 2 manufacturer part numbers on file: SF-10411 PIECE 001 (Circor Pumps North America Llc), LA-440DSX3 (Circor Pumps North America Llc).
1 possible match (shared part number, not a government interchangeability claim): 3010-01-100-5052. Verify interchangeability with system specifications before substitution.
Key specifications for SF-10411 PIECE 001: Bore Length: 2.0320 INCHES NOMINAL IN; Body Style: MULTIPLE POSITIONING HOLES, RECESSED FACE; Overall Length: 2.375 INCHES NOMINAL IN; Features Provided: KEYWAY. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.